AT91M42800A-33CI - Microchip Technology

Manufacturer Part Number

AT91M42800A-33CI

Manufacturer

Microchip Technology

Introduction

ARM7 based 16/32-Bit microcontroller for embedded applications

Product Features and Performance

ARM7 core processor at 33 MHz

EBI/EMI connectivity for external memory interface

SPI, UART/USART serial communication modules

Watchdog Timer for system reliability

54 general-purpose I/O lines

ROMless microcontroller allows for flexible firmware management

8KB SRAM for data storage

Supports external oscillators for precise clocking solutions

Surface mount 144-BGA packaging for compact designs

Product Advantages

High-performance ARM7 CPU for complex processing tasks

A good amount of I/O for peripheral integration

Low operating voltage range supporting energy-efficient designs

Operational over industrial temperature ranges

Key Technical Parameters

Core Processor: ARM7

Core Size: 16/32-Bit

Speed: 33MHz

Connectivity: EBI/EMI, SPI, UART/USART

Peripherals: WDT

Number of I/O: 54

RAM Size: 8K x 8

Voltage - Supply: 2.7V ~ 3.6V

Mounting Type: Surface Mount

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operation in extended temperature ranges

Watchdog Timer to ensure system reliability

Surface mount technology for secure and reliable hardware assembly

Compatibility

Can interface with various external components via EBI/EMI, SPI, and UART

Supports external oscillators for flexible clocking solutions

Application Areas

Embedded systems

Industrial control

Automation

Communication devices

Product Lifecycle

Obsolete product status

Availability of replacements or upgrades should be confirmed with the manufacturer

Several Key Reasons to Choose This Product

Powerful ARM7-based processor for efficient processing

Broad I/O capabilities for flexible peripheral integration

Low power consumption suitable for power-sensitive applications

Extended temperature range fit for harsh environments

Decades of expertise from Microchip Technology in microcontroller production